Find a value for K so that the following system of equations 
has exactly one solution.
Fill in the blank(s) with the appropriate word(s).
K ? 2
Mathematics
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Fill in the blank.A yard is __________ a meter.
A. the same length as B. shorter than C. longer than
Mathematics
Simplify.
A. 1 B. 5 C. 25 D. -5
Mathematics
Solve the problem.A doctor has told a sick patient to take vitamin pills. The patient needs at least 29 units of vitamin A, at least 7 units of vitamin B, and at least 26 units of vitamin C. The red vitamin pills cost 
each and contain 7 units of A, 1 unit of B, and 2 units of C. The blue vitamin pills cost 
each and contain 4 units of A, 1 unit of B, and 6 units of C. How many pills should the patient take each day to minimize costs?
A. 5 red and 2 blue B. 7 red and 0 blue C. 4 red and 3 blue D. 3 red and 4 blue
Mathematics
Rationalize the denominator. 
A. 3
B. 3
C. 
D. 
Mathematics